I Became A Vampire Demon

Rin's rapid growth.

Erix and Shota made their way back to their room.

When they got there, it turned out that Rin was already back. He was lying on the bed with his back, resting.

When Erix was about to pass Rin's bed to go to his, he happened to catch sight of Rin's watch and immediately froze in shock when he saw the number now displayed on it.

Rin had leveled up twice since he had last checked his level. He was now at level eight.

Erix shifted his gaze to Rin's body to check if anything was different, and sure enough, Rin's body had changed quite a lot that he hadn't noticed until now.

He looked more muscular and masculine now than before. He also seemed to have gotten a little taller, just a little.

His chest stood out more than usual, which surprised Erix. And even the weight and size of his arm had apparently increased as well.

'What the hell is going on here? Humans don't grow this way. Why is Rin getting better at everything so fast?' Erix wondered as he continued to scan Rin's body as though he w